Javascript 在firefox和ie中防止fouc

Javascript 在firefox和ie中防止fouc,javascript,css,firefox,asynchronous,fouc,Javascript,Css,Firefox,Asynchronous,Fouc,我试图在FF&IE中防止FOUC。加载我的css异步(可以理解)导致它。设置一个隐藏然后显示身体的功能可以在Chrome上工作,但不能在IE/FF上工作 我已经尝试了网上显示的每一个解决方案,它们都应该有效,但没有一个有效。想知道我的代码中是否有被忽略的东西;或者其他任何人都知道的解决方案 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta

我试图在FF&IE中防止FOUC。加载我的css异步(可以理解)导致它。设置一个隐藏然后显示身体的功能可以在Chrome上工作,但不能在IE/FF上工作

我已经尝试了网上显示的每一个解决方案,它们都应该有效,但没有一个有效。想知道我的代码中是否有被忽略的东西;或者其他任何人都知道的解决方案

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">


    <title>Web Refinery</title>



    <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico">

    <style>
        .navbar.navbar-default.navbar-fixed-top{border:none;padding-right:2%;font-size:18px;background-color:#000;background-color:rgba(0,0,0,.6);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000);-ms-filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000)}ul.navbar-left{color:#000;list-style: outside none none;padding-left:1%;padding-right:1%;margin-top:1%}a.navbar-brand{padding-top:1%;margin-bottom:1%;padding-right:1%}
    </style>



</head>
  <body style="display:none">
    <div class="container-fluid">
     <nav class="navbar navbar-default navbar-fixed-top">
          <div class="navbar-header">
            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="/"><img src="img/logo1-min.png"></a>     
          </div>

         <div class="collapse navbar-collapse" id="myNavbar">
            <ul class="navbar-left">
            <li type="none" class="hover descript">Design & Development</li> 
            </ul>  
            <ul class="nav navbar-nav navbar-right">
                <li class="hover"><a href="portfolio.html">Portfolio<span class="sr-only"></span></a></li>
                <li class="hover"><a href="services.html">Services</a></li>
            <li class="hover"><a href="contact.html">Contact<span class="sr-only"></span></a></li>
            </ul>
        </div><!-- /.navbar-collapse -->
      </nav>
      <div class="row text-center headDrop">
        <div class="col-md-1"></div>  
        <div class="col-md-10">
          <h1>WEB REFINERY</h1>
          <h2>Responsive Design & Development</h2>
        </div>
        <div class="col-md-1"></div>  
          <br>
        </div>  
        <div class="row text-center">
            <div class="col-md-1"></div>
            <div class="col-md-10">
                <br>

                <p>Metro Milwaukee - Design Studio</p>
                <p>Web Design - Development - Branding</p>
            </div>
            <div class="col-md-1"></div>
        </div>  
    </div>

        <script type="text/javascript">
        /* Beginning of async download code. */
        window.onload = function(){

            function loadjscssfile(filename, filetype) {
                if(filetype == "js") {
                    var cssNode = document.createElement('script');
                    cssNode.setAttribute("type", "text/javascript");
                    cssNode.setAttribute("src", filename);
                } else if(filetype == "css") {
                    var cssNode = document.createElement("link");
                    cssNode.setAttribute("rel", "stylesheet");
                    cssNode.setAttribute("type", "text/css");
                    cssNode.setAttribute("href", filename);
                }
                if(typeof cssNode != "undefined")
                    document.getElementsByTagName("head")[0].appendChild(cssNode);
            }
            loadjscssfile("//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css", "css");
            loadjscssfile("/css/main-min.css", "css");

            loadjscssfile("//ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js", "js");
            loadjscssfile("//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js", "js");
            loadjscssfile("/js/main-min.js", "js");



        };
        /* End of async download code. */

        document.onreadystatechange = function () {
                var view = document.getElementsByTagName('body')[0];
                  if (document.readyState == "complete") {
                      view.style.removeProperty('display');
                  } else {}

        };


    </script>   

  </body>

</html>

网络精炼
.navbar.navbar默认值.navbar固定顶部{边框:无;右键填充:2%;字体大小:18px;背景色:#000;背景色:rgba(0,0,0,6);过滤器:progid:DXImageTransform.Microsoft.gradient(startColorstr=#9900000,endColorstr=#9900000);-ms过滤器:progid:DXImageTransform.Microsoft.gradient(startColorstr=#9900000,endColorstr=#9900000)ul.navbar left{color:#000;列表样式:外部无;左侧填充:1%;右侧填充:1%;边距顶部:1%}a.navbar-brand{padding top:1%;边距底部:1%;右侧填充:1%}
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/*异步下载代码的开始*/ window.onload=函数(){ 函数loadjscssfile(文件名、文件类型){ 如果(文件类型==“js”){ var cssNode=document.createElement('script'); setAttribute(“type”、“text/javascript”); setAttribute(“src”,文件名); }else if(文件类型==“css”){ var cssNode=document.createElement(“链接”); setAttribute(“rel”、“样式表”); setAttribute(“类型”、“文本/css”); cssNode.setAttribute(“href”,文件名); } if(cssNode的类型!=“未定义”) document.getElementsByTagName(“head”)[0].appendChild(cssNode); } loadjscssfile(“//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css”,“css”); loadjscssfile(“/css/main-min.css”,“css”); loadjscssfile(“//ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js”,“js”); loadjscssfile(“//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js”,“js”); loadjscssfile(“/js/main-min.js”,“js”); }; /*异步下载代码结束*/ document.onreadystatechange=函数(){ var view=document.getElementsByTagName('body')[0]; 如果(document.readyState==“完成”){ view.style.removeProperty('display'); }else{} };
一旦所有CSS加载完毕,我会删除display:none样式,如下所示

window.onload = function(){
    var resources = [
        { url: "//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css", type: "css"},
        { url: "/css/main-min.css", type: "css"},

        { url: "//ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js", type: "js"},
        { url: "//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js", type: "js"},
        { url: "/js/main-min.js", type: "js"}
    ];
    var head = document.getElementsByTagName("head")[0];
    var cssToLoad = 0;
    var loadOrError = function (e) {
        cssToLoad -= 1;
        if (cssToLoad < 0) { // prevent early trigger
            document.body.style.removeProperty('display');
        }
    };
    resource.forEach(function(resource) {
        var element;

        if (resource.type == "js") {
            element = document.createElement('script');
            element.setAttribute("type", "text/javascript");
            element.setAttribute("src", resource.url);
        } else if (resource.type == "css") {
            cssToLoad += 1;
            element = document.createElement("link");
            element.setAttribute("rel", "stylesheet");
            element.setAttribute("type", "text/css");
            element.setAttribute("href", resource.url);
            element.addEventListener('load', loadOrError);
            element.addEventListener('error', loadOrError);
        }
        if (typeof element != "undefined") {
            head.appendChild(element);
        }
    });
    loadOrError(); // end prevent early trigger
};
window.onload=function(){
风险值资源=[
{url://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css”,键入:“css”},
{url:“/css/main-min.css”,键入:“css”},
{url://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js”,键入:“js”},
{url://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js”,键入:“js”},
{url:“/js/main-min.js”,键入:“js”}
];
var head=document.getElementsByTagName(“head”)[0];
var cssToLoad=0;
var loadOrError=函数(e){
cssToLoad-=1;
如果(cssToLoad<0){//防止早期触发
document.body.style.removeProperty('display');
}
};
resource.forEach(函数(资源){
var元素;
如果(resource.type==“js”){
element=document.createElement('script');
setAttribute(“type”、“text/javascript”);
setAttribute(“src”,resource.url);
}else if(resource.type==“css”){
cssToLoad+=1;
元素=document.createElement(“链接”);
setAttribute(“rel”、“样式表”);
setAttribute(“类型”、“文本/css”);
element.setAttribute(“href”,resource.url);
元素。addEventListener('load',loadOrError);
元素。addEventListener('error',loadOrError);
}
if(元素类型!=“未定义”){
头、子(元素);
}
});
loadOrError();//结束阻止早期触发器
};

以下是我用来解决FOUC问题的解决方案。我将HTML标记的不透明度设置为0,并给模板25秒的时间来完成它所需的所有CSS模板。然后使用JQuery淡入内容

<html id="no-fouc" lang="en">

<style type="text/css">
        #no-fouc { opacity: 0; }
</style>

在我测试过的所有浏览器和媒体中都能正常工作,而且似乎也解决了Google PageSpeed的一个问题。他们不喜欢你做设置显示:无,所以这是我能想到的最接近的方法。

我在你的答案@Vince上投了赞成票,但我想向你展示一种不使用任何javascript的方法:

<html id="no-fouc" lang="en" class="no-js">

<head>
<style type="text/css">
@-webkit-keyframes fadeIn {
    0% { opacity: 0; }
    20% { opacity: 0; }
    40% { opacity: 0.3; }
    60% { opacity: 0.5; }
    80% { opacity: 0.9; }
    100% { opacity: 1; }
}

#no-fouc {
    opacity: 0;
   -webkit-animation-name: fadeIn;
   -webkit-animation-duration: 1s;
   animation-iteration-count: 1;
   animation-name: fadeIn;
   animation-duration: 1s;
   // This line forces the browser to set the opacity to 1 after executing/finishing the animation
   opacity: 1;

}

// include your stylesheets here, if you want you can set the opacity afterwards to 1 which I would recommend if you are using external stylesheets

</head>
...

</html>

@-webkit关键帧fadeIn{
0%{不透明度:0;}
20%{不透明度:0;}
40%{不透明度:0.3;}
60%{不透明度:0.5;}
80%{不透明度:0.9;}
100%{不透明度:1;}
}
#无fouc{
不透明度:0;
-webkit动画名称:fadeIn;
-webkit动画持续时间:1s;
动画迭代次数:1;
动画名称:fadeIn;
动画持续时间:1s;
<html id="no-fouc" lang="en" class="no-js">

<head>
<style type="text/css">
@-webkit-keyframes fadeIn {
    0% { opacity: 0; }
    20% { opacity: 0; }
    40% { opacity: 0.3; }
    60% { opacity: 0.5; }
    80% { opacity: 0.9; }
    100% { opacity: 1; }
}

#no-fouc {
    opacity: 0;
   -webkit-animation-name: fadeIn;
   -webkit-animation-duration: 1s;
   animation-iteration-count: 1;
   animation-name: fadeIn;
   animation-duration: 1s;
   // This line forces the browser to set the opacity to 1 after executing/finishing the animation
   opacity: 1;

}

// include your stylesheets here, if you want you can set the opacity afterwards to 1 which I would recommend if you are using external stylesheets

</head>
...

</html>